<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="filters">
        <el-form-item>
          <el-input v-model="filters.name" placeholder="姓名"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="getEmpQuery">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>
    <!--列表展示-->
    <!--
      :data="employees" - 绑定数据
      highlight-current-row - 当前行高亮
      v-loading="listLoading" - 加载框=盲等框
      @selection-change="selsChange" - 勾选复选框触发事件

      sortable - 是否排序
    -->
   <!---->
		<!--列表-->
    <el-table :data="employees" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column type="index" width="60"></el-table-column>
      <el-table-column prop="username" label="姓名" width="110" sortable></el-table-column>
      <el-table-column prop="phone" label="电话" width="110" sortable></el-table-column>
      <el-table-column prop="email" label="邮箱" width="110" sortable></el-table-column>
      <el-table-column prop="age" label="年龄" width="110" sortable></el-table-column>
      <el-table-column prop="department.name" label="所属部门" width="110" sortable></el-table-column>
      <el-table-column prop="state" label="状态" width="120" sortable>
        <template scope="scope">
          <el-span style="color: green" v-if="scope.row.state==1" size="small" >启用</el-span>
          <el-span style="color: red" v-else-if="scope.row.state==0" size="small" >禁用</el-span>
        </template>
      </el-table-column>
      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
      </el-table>

    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination
          layout="prev, pager, next"
          @current-change="handleCurrentChange"
          :page-size="pageSize"
          :total="totals"
          style="float:right;">
      </el-pagination>
    </el-col>

    <!--编辑界面-->
    <el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
      <el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">

        <el-form-item label="员工姓名" prop="username">
          <el-input v-model="editForm.username" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="员工电话" prop="phone">
          <el-input v-model="editForm.phone" auto-complete="off"></el-input>
        </el-form-item>


        <el-form-item label="员工邮箱" prop="email">
          <el-input v-model="editForm.email" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="部门状态">
          <el-radio-group v-model="editForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>

        <el-form-item label="员工年龄" prop="age">
          <el-input v-model="editForm.age" auto-complete="off"></el-input>

        </el-form-item>
        <el-form-item label="所属部门" prop="department_id">
          <el-select clearable v-model="editForm.department_id" placeholder="请选择">
            <el-option
                v-for="item in departments"
                :label="item.name"
                :value="item.id">
              <span style="float: left">{{ item.name }}</span>
            </el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="角色">
          <!-- 员工可以选择多个角色：他们是多对多关系 - 所以有中间表 -->
          <!-- 这里我们设计的是一个员工选一个角色 -->
          <el-select v-model="editForm.role_id" value-key="id" placeholder="请选择" clearable>
            <el-option
                v-for="item in roles"
                :label="item.name"
                :value="item.id">
              <span style="float: left">{{ item.name }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.sn }}</span>
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button @click.native="editFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>

<script>
	export default {
		data() {
			return {
        roles:[],
        departments:[],
        title:'',
				filters: {
					name: ''
				},
				employees: [],
        totals: 0,
        currentPage: 1,
        pageSize: 5,
				listLoading: false,
				sels: [],//列表选中列

				editFormVisible: false,//编辑界面是否显示
				editLoading: false,

        // 表单校验
        editFormRules: {
          username: [
            { required: true, message: '请输入员工姓名', trigger: 'blur' }
          ],
          phone: [
            { required: true, message: '请输入员工电话', trigger: 'blur' }
          ],
        },
        //编辑界面数据
				editForm: {
          id: null,
          username: '',
          phone: '',
          email: '',
          age: '',
          state: 1,
          department: null,
          department_id: null,
          role_id: null
				},
			}
		},
		methods: {

      getDepartments(){
        this.$http.get("/dept")
        .then(res => {
          this.departments = res.data;
        })
      },

      getRoles(){
        this.$http.get("/role")
        .then(res => {
          this.roles = res.data;
        })
      },
		  // 批量删除，返回当前页
		  handleCurrentChange(currentPage) {
        this.currentPage = currentPage;
        // 从新发送请求
        this.getEmployees();
      },
      // 关于高级查询-刷新回到第一页
      getEmpQuery(){
        this.currentPage = 1;
        this.getEmployees();
      },
			//获取员工列表
			getEmployees() {
        let para = {
          currentPage: this.currentPage,
          pageSize: this.pageSize,
          keywords: this.filters.name  // 高级查询才是
        };
				this.listLoading = true;
        // 发送请求  axios  需要配置axios全局
        this.$http.post("/emp",para)
            .then(res=>{  // res: PageList: {totals:xx, rows: xx}
              // 关闭忙等框
              this.listLoading = false;
              this.employees = res.data.rows;
              this.totals = res.data.totals;
            }).catch(res=>{
          this.$message.error('系统繁忙，请稍后重试！！');
        })
			},
			//删除
      handleDel: function (index, row) {
        this.$confirm('确认删除该记录吗?', '提示!', {
          type: 'warning'
        }).then(() => {  // 点击确认删除走这里
          // 开启忙等框
          this.listLoading = true;
          // 发送请求
          this.$http.delete("/emp/"+row.id)
              .then(res=>{
                // 关闭忙等框
                this.listLoading = false;
                if(res.data.success){
                  this.$message({
                    message:'删除成功',
                    type: 'success'
                  });
                }else {
                  this.$message({
                    message: res.data.msg,
                    type: 'error'
                  });
                }
                // 从新发送请求
                this.getEmployees();
              }).catch(res=>{
            this.$message({
              message:'删除成功',
              type: 'error'
            });
          });
        }).catch(() => {  // 点取消按钮走这里
        });
      },
			//显示编辑界面
			handleEdit: function (index, row) {
        this.getRoles();
        this.getDepartments();
		    this.title = "编辑";
				this.editFormVisible = true;

				// 克隆一份数据-然后回显数据
        this.editForm = Object.assign({}, row);

			},
			//显示新增界面
      handleAdd: function () {
        this.getRoles();
        this.getDepartments();
		    this.title = "新增";
        this.editFormVisible = true;
        // 清空模态框
        this.editForm = {
          id: null,
          username: '',
          phone: '',
          email: '',
          age: '',
          state: 1,
          department: null,
          department_id: null,
          role_id: null
				};
			},
      //编辑 - 提交按钮
      editSubmit: function () {
        this.$refs.editForm.validate((valid) => {
          if (valid) {
            /*表单校验用的*/
            this.$confirm('确认提交吗？', '温馨提示', {}).
            then(() => {
              this.editLoading = true;  // 忙等框
              // 克隆数据
              let para = Object.assign({}, this.editForm);
              this.$http.put("/emp",para)
                  .then(res=>{
                    this.editLoading = false; // 关闭忙等框
                    if(res.data.success){
                      this.$message({
                        message: '操作成功',
                        type: 'success'
                      });
                    }else{
                      this.$message({
                        message: res.data.msg,
                        type: 'error'
                      });
                    }
                    // 关闭模态框
                    this.editFormVisible = false;
                    // 刷新页面
                    this.getEmployees();

                  }).catch(res=>{
                this.$message({
                  message: '系统异常，稍后重试',
                  type: 'error'
                });
              })
            });
          }
        });
      },

			selsChange: function (sels) {
				this.sels = sels;
			},
      //批量删除
      batchRemove: function () {
        var ids = this.sels.map(item => item.id);  // [1,2,3,4,5,6]
        this.$confirm('确认删除选中记录吗？', '温馨提示', {
          type: 'warning'
        }).then(() => {
          this.listLoading = true; // 开启忙等框
          this.$http.patch("/emp",ids)
              .then(res=>{
                // 关闭忙等框
                this.listLoading = false;
                if(res.data.success){
                  this.$message({
                    message: '删除成功',
                    type: 'success'
                  });
                }else{
                  this.$message({
                    message: res.data.msg,
                    type: 'error'
                  });
                }
                this.currentPage = 1;
                this.getEmployees();
              }).catch(res=>{
            this.$message({
              message: '系统异常，稍后重试',
              type: 'error'
            });
          })
        }).catch(() => {
        });
      }
    },

    // 刷新页面
		mounted() {
			this.getEmployees();
		}
	}

</script>

<style scoped>

</style>